| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. P Korning vs A Olsson |
| 1-0 | 76 | 1962 | Varna Olympiad Final-B | A45 Queen's Pawn Game |
| 27. J Littlewood vs A Olsson |
| 1-0 | 48 | 1962 | Varna Olympiad Final-B | C67 Ruy Lopez |
| 28. H Ek vs A Olsson |
| 1-0 | 36 | 1963 | SWE-ch | E80 King's Indian, Samisch Variation |
| 29. B Soderborg vs A Olsson |
| 0-1 | 53 | 1966 | Swedish Championship | C67 Ruy Lopez |
| 30. A Olsson vs B Ekenberg |
 | 0-1 | 72 | 1966 | Swedish Championship | C70 Ruy Lopez |
| 31. M Johansson vs A Olsson |
| 1-0 | 41 | 1966 | Swedish Championship | C83 Ruy Lopez, Open |
| 32. A Olsson vs O Kinnmark |
| ½-½ | 21 | 1966 | Swedish Championship | C77 Ruy Lopez |
| 33. H Akvist vs A Olsson |
| 1-0 | 20 | 1966 | Swedish Championship | C67 Ruy Lopez |
| 34. A Olsson vs A Burehall |
| 1-0 | 51 | 1966 | Swedish Championship | B12 Caro-Kann Defense |
| 35. K Krantz vs A Olsson |
| 0-1 | 19 | 1966 | Swedish Championship | C64 Ruy Lopez, Classical |
| 36. A Olsson vs O Alfredsson |
| 1-0 | 61 | 1966 | Swedish Championship | A43 Old Benoni |
| 37. Z Nilsson vs A Olsson |
| 0-1 | 48 | 1966 | Swedish Championship | C64 Ruy Lopez, Classical |
| 38. A Olsson vs A Werle |
| ½-½ | 46 | 1966 | Swedish Championship | C78 Ruy Lopez |
| 39. B Horberg vs A Olsson |
| 0-1 | 32 | 1966 | Swedish Championship | D94 Grunfeld |
| 40. A Olsson vs J Westman |
| 1-0 | 68 | 1966 | Swedish Championship | B90 Sicilian, Najdorf |
| 41. K Skold vs A Olsson |
| ½-½ | 54 | 1966 | Swedish Championship | C82 Ruy Lopez, Open |
| 42. A Olsson vs H Ek |
| ½-½ | 14 | 1966 | Swedish Championship | C11 French |
| 43. R Goode vs A Olsson |
| ½-½ | 7 | 1966 | Swedish Championship | D51 Queen's Gambit Declined |
| 44. A Olsson vs F Winiwarter |
| 0-1 | 33 | 1967 | EU-chT preliminary | B95 Sicilian, Najdorf, 6...e6 |
| 45. A Olsson vs P Dely |
| 0-1 | 47 | 1967 | EU-chT preliminary | B70 Sicilian, Dragon Variation |
| 46. H Lambert vs A Olsson |
| 1-0 | 57 | 1967 | EU-chT preliminary | C65 Ruy Lopez, Berlin Defense |
| 47. P Dely vs A Olsson |
| 1-0 | 57 | 1967 | EU-chT preliminary | C64 Ruy Lopez, Classical |
| 48. A Olsson vs O Kinnmark |
| ½-½ | 44 | 1967 | Swedish Championship | C95 Ruy Lopez, Closed, Breyer |
| 49. M Berglund vs A Olsson |
| ½-½ | 54 | 1967 | Swedish Championship | C67 Ruy Lopez |
| 50. A Olsson vs B Ekenberg |
| 1-0 | 40 | 1967 | Swedish Championship | C70 Ruy Lopez |
Kibitzing
